The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-028-9471, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-028-9471 |
| Primary Part Number | 1688866-1 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 5.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Body Style | STRAIGHT EDGE TYPE W/CARD GUIDE |
| Terminal Type | PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Board Accommodated Width | 0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 2 ROWS OF INDEPENDENT CONTACTS INSERTED BOARD SINGLE MATING END |
| Unthreaded Mounting Hole Diameter | 0.112 INCHES NOMINAL IN |
| Board Accommodated Length | 3.270 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Precious Material and Weight | 0.048 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 3.375 INCHES NOMINAL IN |
| Included Contact Quantity | 48 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Included Contact Type | LEAF SPRING SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Maximum AC Voltage Rating in Volts | 600.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Contact Material Document and Classification | QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Insert Material | PLASTIC SINGLE MATING END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1688866-1 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 24-90075-105 | 5/9 Secondary reference U.S. Government activity |
| 24-90075-105 | C/1 Advisory reference — outside the item-of-supply concept Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu |
NSN 5935-01-028-9471 is a Connector,receptacle,electrical, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-028-9471 has 1 manufacturer part number on file: 1688866-1 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1688866-1: Overall Height: 1.812 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 5.0 SINGLE MATING END SINGLE CONTACT GROUPING; Body Style: STRAIGHT EDGE TYPE W/CARD GUIDE; Terminal Type: PIN SINGLE MATING END SINGLE CONTACT GROUPING. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.